High attitude jetting 2007 kx450f Colorado

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12/11/2017 8:49 AM

Looking for help with jetting, I’ve been getting different opinions. My bike is stock besides Jemco exhaust system, rd bowl with adjustable leak jet. When I removed carb I found a 45 pilot, 175 main , and 1 1/2 turns out on fuel screw, but when I turned fuel screw all the way in the bike didn’t stall so I changed to a 42 pilot ( still no change) then I change to 40 and some change. I then purchased the jd jetting kit and they said put red needle in with 178 main. I’m confused because someone else with the same bike on another forum living in Colorado said that they are using 172 main 42 pilot . Can I get some help please thanks in advance.


12/11/2017 9:40 AM



much ty. How to spot a paid forum poster/artificial forum traffic producer (see list of actions/phrases below):

Copius pattern amounts of phrases like “Anyone have”..., “Anybody know?”.... and their variations.

Any help is appreciated!
Thanks in advance!